Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. Read More >

Click a location below for detailed forecast.

Last Map Update: Mon, Sep 7, 2026 at 1:22:40 am EDT

Watches, Warnings & Advisories

National Weather Service National Weather Service

National Weather Service Tampa Bay Area, FL

National Weather Service Miami - South Florida

Zoom Out

There are no watches, warnings, or advisories at this time.

Summer Humidity

Increased moisture across the area will encourage elevated shower and thunderstorm chances through the beginning of the week, including the Labor Day holiday. Primary threats related to stronger thunderstorms will be dangerous lightning strikes. However, heat illness is also a concern as heat index values will approach the mid 100s daily. Little relief overnight will take place due to the muggy conditions. Know the signs of heat stress and stay hydrated. For more heat safety information, head to www.weather.gov/safety/heat Get the latest weather conditions before heading out. Have a plan if caught outside when a thunderstorm occurs. Boaters should use extra caution when thunderstorm conditions exist and have a plan of escape.

Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

NWS Key West